Preheat oven to 350 degrees.,Spray a 2 quart casserole dish with cooking spray.,In a large bowl mix together broccoli,carrots and smoked sausage.,Then add macaroni and cheese and 4 ounces of colby monterey jack cheese blend,and enough milk to blend all ingredients well.,Then add the garlic powder and black pepper,mixing well.,______,Pour mixture into sprayed dish, and sprinkle remaining co/jack cheese over the top.,Bake at 350 degrees for 35 minutes or until golden brown.,Enjoy ! :).